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CECO · Ceco Environmental Corp

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$72.14 +1.81 (+2.57%) At close · Aug 27
Market Cap
$4.24B
Shares
58.57M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 346
Total Value: $4,726,393,003
Total Shares: 52,092,559
Showing 1–100 of 352 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Superinvestors Holding CECO

All superinvestors →

Holder Concentration

Across 346 13F filers · Δ vs Mar 31, 2026
Top Holder
8.7%
Sep 2023 → Jun 2026 · range 7.4% – 10.8%
+1.3 pts
Top 5
29.8%
Sep 2023 → Jun 2026 · range 29.8% – 37.5%
−1.8 pts
Top 10
44.6%
Sep 2023 → Jun 2026 · range 44.6% – 52.3%
−1.9 pts
HHI
293
Sep 2023 → Jun 2026 · range 293 – 401
Broadly held−12

Quarterly Activity

vs Mar 31, 2026
New
109
Increased
139
Decreased
70
Sold Out
28
Unchanged
28
Holder count: +81
Institutional value: +151.5%
Shares held: +65.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 352
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 3197 CUSIP 125141101 13F (30d) 293 filings 290 filers Visit website Investor relations